Any person filing a complaint must serve a copy of the complaint
on the respondent, affected regulatory agencies, and others the
complainant reasonably knows may be expected to be affected by
the complaint. Service must be simultaneous with filing at the
Commission for respondents. Simultaneous or overnight service
is permissible for other affected entities. Simultaneous service
can be accomplished by electronic mail in accordance with Section
385.2010(f)(3), facsimile, express delivery, or messenger.